Home / 499,062,294.27-688,659,747.98-276,039,175.82

Finding the Fourth Proportional to 499,062,294.27, 688,659,747.98 and 276,039,175.82

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Solution

The fourth proportional to 499,062,294.27, 688,659,747.98 and 276,039,175.82 is: 380,908,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,294.27 : 688,659,747.98 = 276,039,175.82 : x
  2. Step 2: Convert to fraction form
    499,062,294.27/688,659,747.98 = 276,039,175.82/x
  3. Step 3: Cross multiply
    499,062,294.27x = 688,659,747.98 × 276,039,175.82
  4. Step 4: Simplify right side
    499,062,294.27x = 190,097,069,247,984,608
  5. Step 5: Solve for x
    x = 190,097,069,247,984,608/499,062,294.27
  6. Step 6: Final answer
    x = 380,908,498.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.